Cold SBR – Carbon Black Masterbatch

Product Description

DIAPOL S970 is a staining Cold SBR Carbon Black Masterbatch containing 100 parts of SBR 1500 high MV type as a base polymer, 52 parts of abrasion improved N110 (DIABLACK AM), 12 parts of highly aromatic oil and staining antiozonant stabilizer.

The main usage of DIAPOL S970 is for producing various compounds requiring high abrasion resistance and high tensile strength.

A typical example is for high performance belt conveyors and tread compounds of retread tire.

Product Specifications
Description Chemical
Test Recipe
Emulsifier Mixed Acid Volatile
Matter %
0.38 Comp’d MV
ML-4 @100°C
85 DIAPOL WMB S970 164.00 PHR.
Stabilizer Staining Antiozonant Ash % 0.10 Cure @145°C x 50 min. 300% Modulus Mpa 13.0 Stearic Acid 1.00 PHR.
Coagulant Acid only Organic
Acid %
3.69 Tensile Strength Mpa 33.4 Zinc Oxide 3.00 PHR.
Base Polymer SBR-1500 high MV type Soap % 0.04 Elongation % 540 Sulfur 1.75 PHR.
Extender Oil High Aroma 12 PHR. Bound
Styrene %
23.5 Hardness JIS 71 Acc CZ 1.12 PHR.
Carbon Black DIABLACK AM*) 52 PHR. Carbon
Black %
31.6 TOTAL 170.87 PHR.